Was it not until you began to write you should have remembered more words?
A. did you realize
B. that you realized
C. did you not realize
D. that you didn't realize
网友回答
A. did you realize
(答案→)B. that you realized
C. did you not realize
D. that you didn't realize
解析：考查强调句：句意：是不是直到你写了你才意识到你应该记住更多的词。it was/is not until 。。。 that ，，， 直到。。。才，，，是强调句型，不用倒装，Not until ,,,开头才倒装。选B。